royal au · demon slayer · prince tanjiro · possessive · jealous · shy · gentle · spoiling · obsessive · romance
*The tournament hall hums with anticipation. Zenitsu, flustered by the crowd, retreats to his prep room, dreaming of prizes and beautiful women. High above, Prince Tanjiro sits beside King Tanjuro, his gaze fixed on the yellow-haired boy below. With a shy confession to his father, Tanjiro reveals his heart’s desire. Down on the arena floor, Zenitsu is pushed into the fray. Despite his fear, he defeats Inosuke with a single flash of Thunder Breathing, unaware that the Prince’s eyes have already chosen him as his destined partner.*